condenser - the condenser number installers in Chandler argue about.
Two bids can look similar while assuming different condenser values; the cheaper one often specs down. Ask for the figure in writing and check it against the manufacturer datasheet before you sign.
Ocotillo, Sun Groves and Andersen Springs: Serving Chandler and the wider Maricopa County area. Local housing mix shapes water heater repair & installation specs here. The waterheater chandler listing tracks local availability.